[孔開範囲 φ3.0~12mm]
[孔開範囲 φ6.0~30mm]
[孔開範囲 φ5.0~20mm]
Ideal for drilling aluminum and thin steel plates, enlarging and chamfering pipes
[Drilling range] φ0.24 - 1.2 inches (6.0 - 30 mm)
[Taper angle] 14°
Number of Blades: 7
Blade Length: 4.2 inches (107 mm)
Total Length: 5.7 inches (145 mm)
[Hardness] HRC55-58
Material: High carbon steel
Weight: 13.4 oz (393 g).